PUBLICATIONS
The publications listed below are available from the Group Publications Officer, Keith Downing. Contact Keith at publications@railwayphilatelicgroup.co.uk for details of postage for your area and any other information you may require.
TPO
The definitive book on collecting TPOs is:
The Travelling Post Offices of Great Britain & Ireland by H S Wilson published 1996.
ISBN 0901667 234 price £21 plus p+p.
POSTMARKS
For a simple listing of postmarks and an indication of values:
Great Britain & Ireland Travelling Post Office Postmarks by F J Wilson published 1991
ISBN 0901667 20X price £7 plus p+p.
A listing of types and dates of postmarks is:
Postmarks of British Railway Stations 1840-1997 by W T Pipe
ISBN 0901667 250 price £15 plus p+p.
RAILWAY LETTERS STAMPS
For listings of traditional Railway Letter stamps:
The Railway Letter Stamps of Great Britain & Ireland 1891-1947 by R de Lacy-Spencer
published 2000 by Moorside Publishing ISBN 1903633 01X price £25 plus p+p.
The Railway & Airway Letter Stamps of the British Isles 1891-1971 by Capt HT Jackson
published 1979 by Harry Hayes ISBN 0905222 377 price £15 plus p+p
These two were not published by the RPG and are out of print but I have a few copies.